[uptown]

One of their sample images appears to be of the "Below the Boat" series.

http://www.belowtheboat.com/

I've given those maps as gifts, and they're very nice quality. Is there any relationship between your companies? Are they using your laser cutter?

[danshapiro]

(ceo/cofounder here) There are lots of folks doing bathymetric maps with lasers; I don't know who was first to it. We generated ours from scratch from NOAA data, but owe them (or whoever did it first) a debt of inspiration.

[smackfu]

The problem with making something out of public domain maps using technology is that it's very easy for someone else to copy it pretty effortlessly.